【正文】 鳳城市 2020 年水土流失重點(diǎn)治理工程邊門項(xiàng)目區(qū)實(shí)施方案 1 目 錄 1綜合說明 .......................................................................................... 1 項(xiàng)目背景 .................................................................................................... 1 項(xiàng)目選擇及概況 ....................................................................................... 2 建設(shè)任務(wù)、目標(biāo)與規(guī)模 ............................................................................ 3 總體布置與措施設(shè)計(jì) ............................................................................... 3 施工組織條件 ........................................................................................... 4 水土保持監(jiān)測(cè) ........................................................................................... 4 技術(shù)支持 ................................................................................................... 4 工程管理 ................................................................................................... 5 投資概算與資金籌措 ............................................................................... 5 效益分析 ................................................................................................. 5 2 項(xiàng)目背景及設(shè)計(jì)依據(jù) ...................................................................... 6 項(xiàng)目背景 ................................................................................................... 6 地理位置 .......................................................................................... 6 自然條件 .......................................................................................... 6 社會(huì)經(jīng)濟(jì)概況 ................................................................................... 8 水土流失情況 .................................................................................. 8 水土流失防治情況 .......................................................................... 9 相關(guān)規(guī)劃情況 ................................................................................... 9 項(xiàng)目建設(shè)的必要性 ................................................................................. 10 水土流失的危害和影響 ................................................................ 10 項(xiàng)目實(shí)施的必要性 ........................................................................ 10 設(shè)計(jì)依據(jù) ................................................................................................. 11 規(guī)劃依據(jù) ......................................................................................... 11 標(biāo)準(zhǔn)、規(guī)范、規(guī)程 ......................................................................... 11 有關(guān)資料 ........................................................................................ 11 3 項(xiàng)目區(qū)選擇及概況 ........................................................................ 12 項(xiàng)目區(qū)選擇 ............................................................................................. 12 項(xiàng)目區(qū)選擇的原則 ........................................................................ 12 項(xiàng)目區(qū)確定 .................................................................................... 12 項(xiàng)目區(qū)位置和范圍 ........................................................................ 13 項(xiàng)目區(qū)概況 ............................................................................................. 13 鳳城市 2020 年水土流失重點(diǎn)治理工程邊門項(xiàng)目區(qū)實(shí)施方案 2 項(xiàng)目區(qū)小流域概況 ................................................................................. 13 基本情況 ........................................................................................ 14 自然概況 ........................................................................................ 14 經(jīng)濟(jì)社會(huì)情況 ................................................................................ 15 小流域土地利用現(xiàn)狀 .................................................................... 15 水土流失及防治情況 .................................................................... 15 4 建設(shè)任務(wù)、目標(biāo)與規(guī)模 ................................................................ 17 建設(shè)任務(wù) ................................................................................................. 17 建設(shè)目標(biāo) ................................................................................................. 17 水土流失治理目標(biāo) ......................................................................... 17 生態(tài)環(huán)境改善目標(biāo) ......................................................................... 17 農(nóng)村經(jīng)濟(jì)發(fā)展目標(biāo) ......................................................................... 17 建設(shè)規(guī)模 .................................................................................................. 18 5 總體布置與措施設(shè)計(jì) .................................................................... 19 水土保持分區(qū) ......................................................................................... 19 總體布置 ................................................................................................. 19 布置原則 ......................................................................................... 19 措施總體布局 ................................................................................. 19 工程措施設(shè)計(jì) ......................................................................................... 20 谷坊工程設(shè)計(jì) ................................................................................ 20 截排水溝工程設(shè)計(jì) ........................................................................ 23 護(hù)岸工程設(shè)計(jì) ................................................................................ 25 作業(yè)路設(shè)計(jì) .................................................................................... 36 工程公示牌設(shè)計(jì) ............................................................................. 37 林草措施設(shè)計(jì) .......................................................................................... 37 蠶場(chǎng)治理設(shè)計(jì) ................................................................................ 37 水保林（日本落葉松）標(biāo)準(zhǔn)設(shè)計(jì) .............................................. 39 封育措施設(shè)計(jì) ......................................................................................... 40 封禁治理原則及封育類型 ...........................